| Ettevõtte nimi | Reg. kood |
|---|---|
| QUANTO OÜ | 17276730 |
| QUANTOMO OÜ | 17064228 |
| QUANTA BYGG OÜ | 16884099 |
| PRIME QUANTA OÜ | 17040972 |
| QUANDO INVEST OÜ | 12188888 |
| QUASTO HOLDING OÜ kustutatud | 14032570 |
| OPTIMA QUANTA OÜ (endine nimi Digital Relief Solutions OÜ) | 14581383 |
| QUARTO GROUP OÜ | 14662638 |
| QUARTO DIGITAL OÜ kustutatud | 14560961 |
| QUANTS FLOWERS OÜ | 17254294 |
| QUANT INVESTMENT OÜ | 17079023 |
| QUANT ESTONIA OÜ | 12736628 |
| QUANT FINANCIAL OÜ kustutatud | 14518732 |
| QUANT GATEWAY OÜ | 12448243 |
| QUANTA VENTURE PARTNERS OÜ kustutatud | 11253721 |
| BIT CRYPTO QUANT OÜ | 16328180 |
| ALS QUANT INVEST OÜ | 11335548 |
| QUANT DIGIT GROUP OÜ kustutatud | 16612509 |
| F2NTOM QUANT SYSTEMS OÜ | 17407740 |
| CREVENTA OÜ (endine nimi Quant OÜ) | 14797261 |
| QUANTUM OÜ kustutatud | 12306750 |
| QUANTEK OÜ | 11760990 |
| QUANTROL OÜ kustutatud (endine nimi ATM Puhastus OÜ) | 11952531 |
| QUARTZO OÜ | 17182755 |
| QUATTOR OÜ | 17314381 |
| QUATTRO OÜ kustutatud | 11354818 |
| QUANTIF OÜ | 17339375 |
| QUANTUM2 OÜ (endine nimi ReMoneta OÜ) | 14438651 |
| TRY QUANTUM OÜ | 14036846 |
| BERKELEY QUANDT OÜ (endine nimi MF Dynancial OÜ) | 14655621 |
| QUANTUM SOUP OÜ | 16008788 |
| QUATTRO LUXORY OÜ (endine nimi IMPI Projekt OÜ) | 16758455 |
| QUADRO IT OÜ | 14562500 |
| QUANTUM SHIFT OÜ | 14877287 |
| QUANTUM BALTIC OÜ | 11367301 |
| QUANTUM ELECTRONICS OÜ kustutatud | 12108837 |
| QUANTUM RE OÜ | 12841803 |
| QUATTRO INVEST OÜ | 11179491 |
| QUANTUM EXPRESS OÜ | 12353548 |
| DIGITAL QUANTUM OÜ kustutatud | 14683913 |
| QUATTRO SPORTHORSES OÜ | 16505587 |
| ALPHA QUANTUM OÜ kustutatud | 16023569 |
| QUANTUM FUGUE OÜ | 10705180 |
| QUANTUM STUDIUM OÜ (endine nimi TallEst Incentive Travel OÜ) | 12210234 |
| QUANTUM ICE OÜ | 16750051 |
| AUTO QUATRO OÜ | 11272670 |
| QUADRO DESIGN OÜ | 12684899 |
| QUANTUM HOLDINGS OÜ | 12537745 |
| FIRST QUANTUM OÜ (endine nimi Gazettiir OÜ) | 16205431 |
| QUANTUM PR OÜ | 17056004 |